Oze, the most renowned marshland in Japan, is a popular destination for trekkers. The colonies of white arum and daylilies are breathtaking in early summer, and the beautiful red autumn leaves are splendid in fall. Hatomachi Pass, the starting point for trekking, can be accessed from Numata Station on the JR Joetsu Line. Make sure to prepare for a real mountain hike: wear shoes suitable for climbing and hiking, bring rain gear, and so on.
2 hours by bus from Numata Sta. on the Joetsu Line.